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In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.

This is an activity about waves. Using marbles, paper clips and rubber bands, learners explore how waves behave.

In "Exploring the Universe: Exoplanet Transits," participants simulate one of the methods scientists use to discover planets orbiting distant stars.

In this pencil and paper activity, learners work in pairs and simulate how astronomical spacecraft and computers create images of objects in space.

In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.

Learners follow directions to construct a water-powered electrical generator using a turbine made from plastic spoons.

In this activity, learners carry out a scientific investigation of dust in their classroom. Learners produce an analysis on graph paper of the dust they collect over the course of a few days.

Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black.